.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
}

.demo{
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 380px;
    left: 20px;

}
.demo .p{
    font-size: 24px;
    margin-right: 10px;
}




.yg-tip-bg{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
/*    background-color: rgba(0,0,0,.2);*/
}
.yg-sub{
    position: absolute;
    bottom: -23px;
    left: 9px;
    border-radius: 3px;
}
.yg-tip{
    position: relative;
}
.yg-tip-content{
    position: absolute;
    background-color: #4D4D4D;
    padding: 12px 16px;
    border-radius: 20px;
    width: 240px;
    bottom: 47px;
    left: -34px;
}
.yg-tip-text{
    font-size: 14px;
    color: #fff;
}
.yg-tip .tips-img{
    width: 32px;
    height: 32px;
}
